<ARTICLE>                     5
       
                             
<PERIOD-TYPE>                   YEAR
<FISCAL-YEAR-END>                              MAY-31-1997
<PERIOD-END>                                   MAY-31-1997
<CASH>                                         14,221,000
<SECURITIES>                                   88,655,000
<RECEIVABLES>                                  97,982,000
<ALLOWANCES>                                   2,821,000
<INVENTORY>                                    155,920,000
<CURRENT-ASSETS>                               355,975,000
<PP&E>                                         420,223,000
<DEPRECIATION>                                 132,777,000
<TOTAL-ASSETS>                                 761,823,000
<CURRENT-LIABILITIES>                          116,131,000
<BONDS>                                        0
<PREFERRED-MANDATORY>                          0
<PREFERRED>                                    0
<COMMON>                                       45,039,000
<OTHER-SE>                                     467,337,000
<TOTAL-LIABILITY-AND-EQUITY>                   761,823,000
<SALES>                                        100,742,000
<TOTAL-REVENUES>                               839,949,000
<CGS>                                          84,062,000
<TOTAL-COSTS>                                  500,695,000
<OTHER-EXPENSES>                               0
<LOSS-PROVISION>                               0
<INTEREST-EXPENSE>                             7,970,000
<INCOME-PRETAX>                                146,618,000
<INCOME-TAX>                                   55,778,000
<INCOME-CONTINUING>                            0
<DISCONTINUED>                                 0
<EXTRAORDINARY>                                0
<CHANGES>                                      0
<NET-INCOME>                                   90,840,000
<EPS-PRIMARY>                                  1.91
<EPS-DILUTED>                                  0